Generally resin fillings are not harmful. However, complications such as accidental pulp penetration, pain, and food impaction may occur with resin fillings, which can be relieved with timely treatment. Resin filling refers to the use of composite resin to repair the tooth when it is chipped. Generally, resin fillings are not harmful to the human body, so patients do not need to worry too much, keep a normal mind and actively cooperate with the doctor for treatment. However, individual patients may experience accidental pulp penetration during treatment, which is an intraoperative complication. Besides, some patients may also experience pain after resin filling, including spontaneous pain and biting pain, and secondly, food impaction may also occur, which is one of the common complications. However, it is usually relieved by timely and standardized treatment. After the resin filling, you need to pay attention to the cleaning of the teeth, and the affected side to avoid eating hot and cold, sweet and sour and other stimulating food. All in all, resin fillings are safer and the technology is more mature. Dental patients are advised to choose regular medical institutions to receive treatment. If any of the above complications occur after the surgery, they need to consult the doctor in time.